Payment Method Auth Models (src/pm_auth.rs)

API request/response structs for link token creation and token exchange used in payment method authentication flows (e.g. Plaid-like linking), plus connector config types.

// Source: https://github.com/juspay/hyperswitch | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
use common_enums::{PaymentMethod, PaymentMethodType};
use common_utils::{
    events::{ApiEventMetric, ApiEventsType},
    id_type, impl_api_event_type,
};

#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
#[serde(rename_all = "snake_case")]
pub struct LinkTokenCreateRequest {
    pub language: Option<String>, // optional language field to be passed
    pub client_secret: Option<String>, // client secret to be passed in req body
    pub payment_id: id_type::PaymentId, // payment_id to be passed in req body for redis pm_auth connector name fetch
    pub payment_method: Paym

... (truncated -- full source via MCP)